The media stable that handles titles such as Vogue, Vanity Fair, Glamour, Brides, Self, GQ, The New Yorker and more, will see Sauerberg replace Charles Townsend who has been in the position since 2004.

Tassler will remain in the role until December but will continue to work in an advisory capacity until 2017.

According to Deadline, Tassler, who has worked with CBS for 18 years, is aiming to return to her theatre roots.

BT

BT has promoted Dan Ramsay, its customer acquisition director, to consumer marketing director with immediate effect, a role which will see him oversee the telecommunication provider’s consumer marketing and advertising.

Morten Heung has been eBay Denmark’s general manager for the past four years, a period which also saw him oversee subsidiary brands including; BilBasen, Denmark's biggest car marketplace, BilInfo, a market leading automotive tool business and DBA, the largest online marketplace in Denmark.

News UK

Abba Newbery has left News UK months after a shakeup of the team that saw Dominic Carter named managing director of its commercial arm.

Outbrain has hired Pinterest's Eric Hadley in the newly created role of global head of marketing solutions to promote the company's value to brands and agencies. He will also oversee the content discovery platform's agency partnerships around the world.

Hadley, who has worked with Yahoo, Microsoft and The Weather Channel, was previously head of partnerships at Pinterest.

Mandalay Sports Media

Funny or Die chief executive Dick Glover has announced his plan to leave the comedy website founded by Will Ferrell, Adam McKay and Chris Henchy in order to head up Mandalay Sports Media.

In a note to staff explaining the move Glover said: “While the day-to-day operations will no longer be my responsibility, I anticipate I won't be able to help myself so will probably meddle there, too.

The Marketing Agencies Association

The Marketing Agencies Association has appointed SapientNitro’s Mette Davis to the newly created role of director of digital & regional innovation.

Global brand experience agency Jack Morton Worldwide has appointed Bruce Henderson as chief creative officer, a role he is currently holding at WPP’s Geometry Global North America but will leave in January.

Grace Blue will lean on Priest’s knowledge of the advertising space to build out its consultancy reaction across a number of topical issues such as mergers and acquisitions as well as international expansion.

Wolff Olins

Global creative consultancy Wolff Olins is bringing in creative director Tim Allen into a newly-created role of president of North America to oversee growth in its New York and San Francisco offices.

Allen brings his over 18 years expertise and roots in product, service design and strategy. He was previously executive creative director for Amazon's Product Design Studios. He has amassed dozens of awards for his work, including prizes for his Nike and Apple campaigns.

LoopMe

Global mobile video platform LoopMe has expanded its New York-based sales team with four new senior hires.

Joining from YuMe, Carlos J. Cruz takes the role of senior director of sales, while Spencer Frank joins as account executive. eBay Advertising’s manager of advertising solutions, Mike Schoelch, joins as director of sales and Joe Monaco leaves his role as DataXu’s sales director to become LoopMe’s US senior sales director.

The team will be responsible for driving forward the firm's growth strategy in the US, as the company looks to consolidate its global expansion.

Oystercatchers

Marketing consultancy Oystercatchers is bolstering its media marketing team with the appointment of Simon Foster as managing partner.

Foster has held a series of senior positions with media owners, data consultancies, full service and specialist media agencies.

In his new role, he is responsible for helping brands and businesses exploit innovation in the fast-moving media world and optimise return on investment in marketing strategy and spend.

Enreach

Martin Klode, former digital business development manager from Danish publisher Jyllands-posten is to join Enreach to become chief audiences officer.

He will head up the new office in Aarhus and will be responsible for securing new business as well as exporting best practice from publisher to publisher and act in an ambassadorial role speaking at key events across Europe.

Trainline

Former Hailo product chief and Webby award winner Jonathon Moore has been appointed by Trainline to drive a new product strategy.

Moore, who will lead the company's development, has a career spanning 12 years and has launched numerous award-winning digital properties for brands including Microsoft, Skype and the Guardian Media Group.

He is also the winner of three Webby awards and has received multiple nominations at the prestigious British Design Awards.

Enterprise Study

Cloud-based software firm Enterprise Study has tapped Shona Fletcher as the company’s new chief executive, taking over from Henry Jodrell.

Fletcher comes from BroadkSkill Learning and Bray Leino, bringing a wealth of industry experience to the company.

In addition to the new appointment, the firm will welcome two new senior developers to support the team led by Steve Hurcombe, chief technology officer.

Unit9

Creatives Alex Horton and Alex de Rakoff, have formed an exclusive partnership with global production company Unit9 to build the next generation of virtual reality ads through game technology, motion capture and cinematic content.

The pair first met in 2010 when working together on EA’s gaming classic ‘Need for Speed: The Run'. They describe their professional connection as one based on a mutual desire to blend progressive technology and storytelling techniques with the latest trends in pop culture.

Both will oversee the delivery of a selection of the agency’s existing projects and accounts.

Hutchinson joins the agency from content agency Born Group where she developed and launched an entirely new content department and helped to bring in big name clients such as Argos, Estée Lauder and Virgin Holidays.

Warren joins Headstream from PHD where she was international associate director, responsible for identifying areas for social growth and creating social strategy for Canon.

Hasan & Partners

Hasan & Partners Group has appointed Jonas Bäckström to lead Hasan & Partners Stockholm.

Jonas was most recently chief digital officer at OmnicomMediaGroup Sweden, where he primarily led McDonald's digital and mobile strategy.

Landor

Strategic brand consulting and design firm, Landor, has appointed Steve Owen as its new executive creative director, as part of a strategic move to reinforce and enhance its digital offering.

Owen, who has a rich background in multi-channel branding and digital integration, will now oversee the London team in all its creative output.

Previously executive creative director at branding agency, Heavenly, Owen’s 19 years of experience in design and branding has seen him work across a diverse range of clients and projects. These include: British sporting institutions such as Fulham Football Club and England Rugby and telco giants Globe and Maxis.

MassChallenge

MassChallenge has announced the appointment of its global chief marketing officer, Diane Perlman, to complement its global expansion plans.

Perlman comes to MassChallenge from Microsoft UK, where she founded the Microsoft Ventures Accelerator in London.

Beattie

Beattie, the creative communications group, has signed one of the most established names in consumer PR as its director of fashion communications.

Carol Richardson has previously held senior roles at luxury fashion brands such as Jaeger, the Jacques Vert Group and at Marks & Spencer and as course leader at the prestigious London College of Fashion.

She will lead the creative fashion teams at Beattie Communications and its specialist marketing boutiqueOnly Retail.

1XL

1XL, one of the UK’s largest sources of premium digital news media audience and display inventory, is boosting its mobile offering with the appointment of Adam Scantlebury as mobile product manager.

Scantlebury joins from Millennial Media, where he was account manager, EMEA for third-party demand clients. He will be tasked with implementing standard and rich media display campaigns, along with developing the user and geo-targeting and ad product/media aspect of the 1XL offering.